CVE-2013-3311: Directory traversal vulnerability in the Loftek Nexus 543 IP Camera allows remote attackers to read arbitrary

This week

HIGH 7.5REMOTEMITIGATE

CVE-2013-3311 is a high-severity flaw (CVSS 7.5) affecting nexus 543 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Directory traversal vulnerability in the Loftek Nexus 543 IP Camera allows remote attackers to read arbitrary files via a .. (dot dot) in the URL of an HTTP GET request.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	3.7% (top 10%)
CISA exploited list	No
Weakness	CWE-22
Published	2019-11-21
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: loftek

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2019-11-21 20:15 UTCPublished CVE record published
2026-06-16 23:54 UTCUpdated Record last modified

loftek nexus 543 firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2013-3311?

nexus 543 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2013-3311 being exploited?

CVE-2013-3311 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2013-3311 affect?

CVE-2013-3311 affects nexus 543 firmware. Severity is high (CVSS 7.5). Directory traversal vulnerability in the Loftek Nexus 543 IP Camera allows remote attackers to read arbitrary files via a .. (dot dot) in the URL of an HTTP GET request.

How urgent is CVE-2013-3311?

Priority 59/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2013-3314 HIGH 7.5 MITIGATE The Loftek Nexus 543 IP Camera allows remote attackers to obtain (1) IP addresses via a request to get_realip.
CVE-2013-3313 HIGH 7.5 MITIGATE The Loftek Nexus 543 IP Camera stores passwords in cleartext, which allows remote attackers to obtain sensitiv
CVE-2013-3312 HIGH 8.8 MITIGATE Multiple cross-site request forgery (CSRF) vulnerabilities in the Loftek Nexus 543 IP Camera allow remote atta

References

← Back to latest CVEs